Patent application number | Description | Published |
20090115898 | METHOD AND SYSTEM FOR SELECTIVELY VIEWING BROADCAST CHANNEL IN PARTICULAR PLACE - A method and system for selectively viewing a broadcast channel in a particular place is provided. A method of selectively viewing a broadcast channel in a particular place includes: receiving image information associated with different locations of the particular place from a plurality of imaging devices; receiving sound information associated with the particular place from at least one of the plurality of imaging devices; multi-channelizing the image information and the sound information to generate a frame that includes the image information and the sound information; and transmitting the generated frame to a user terminal. | 05-07-2009 |
20100317286 | COMMUNICATION RELAY METHOD AND APPARATUS BASED ON OBJECT SENSING FUNCTION - A communication relay method of a communication relay apparatus in a multi-mode wireless environment includes: sensing a wireless access environment of a terminal based on an object sensing function; deciding whether or not to provide a predetermined communication relay service to the terminal; and deciding an operation network which is to provide the predetermined communication relay service. | 12-16-2010 |
20110151857 | SYSTEM AND METHOD FOR RADIO ACCESS IN RECONFIGURABLE WIRELESS COMMUNICATION SYSTEM - A system for radio access in a wireless communication system, in which a number of RATs exist, includes: a RAS configured to share radio environment information and the RATs with an adjacent RAS using a macroband SPC, the RAS being reconfigurable in conformity with the RATs; and a RMS configured to transmit/receive the radio environment information and the RATs to/from the RAS using a microband SPC and access the RAS using the microband SPC, the RMS being reconfigurable in conformity with RAT of the accessed RAS. | 06-23-2011 |
20120038948 | METHOD AND SYSTEM FOR PRINTING TARGET FILES IN MOBILE TERMINAL - A method and system for printing a file are provided. A mobile terminal may detect at least one accessible printer via a wireless communication, and a printer corresponding to a user's printing request may perform a printing desired by a user. Additionally, in response to the user's printing request, printing may be performed by a printer having a strongest wireless signal strength, a printer for supporting a printing type desired by the user, a printer having a smallest number of currently processed tasks, a printer having a highest printing speed, a printer having a model name or identification information related to a keyword of the user, a printer located closest to a mobile terminal, and a printer selected by the user. | 02-16-2012 |
20120120794 | METHOD AND APPARATUS FOR CONTROLLING TRAFFIC - A method for controlling traffic in a mobile communication network is provided. A traffic control apparatus checks locations of a calling terminal and a receiving terminal, and determines whether to perform terminal-to-terminal direct communication based on the locations of the calling terminal and the receiving terminal. A base station of the calling terminal and a base station of the receiving terminal instruct the calling terminal and the receiving terminal to perform the terminal-to-terminal direct communication when the terminal-to-terminal direct communication is determined to be performed. | 05-17-2012 |
20120155306 | BASE STATION AND OPERATING METHOD THEREOF - A base station measures an amount of traffic within a downlink buffer. If the measured amount of traffic is larger than a threshold value, the base station adjusts a ratio of an available interval and an unavailable interval according to a ratio of the amount of traffic against the threshold value and length of a superframe. If the measured amount of traffic is smaller than the threshold value, the base station adjusts a ratio of the available interval and the unavailable interval according to a ratio of the threshold value against the amount of traffic and length of the superframe. | 06-21-2012 |
20120185900 | METHOD AND SYSTEM FOR SELECTIVELY VIEWING BROADCAST CHANNEL IN PARTICULAR PLACE - A method and system for selectively viewing a broadcast channel in a particular place is provided. A method of selectively viewing a broadcast channel in a particular place includes: receiving image information associated with different locations of the particular place from a plurality of imaging devices; receiving sound information associated with the particular place from at least one of the plurality of imaging devices; multi-channelizing the image information and the sound information to generate a frame that includes the image information and the sound information; and transmitting the generated frame to a user terminal. | 07-19-2012 |
20130148596 | RESOURCE MANAGEMENT SYSTEM AND METHOD OF CENTRALIZED BASE STATION IN MOBILE COMMUNICATION NETWORK - A resource management system and method of a centralized base station in a mobile communication network are provided. The resource management system of the network communication separates a radio unit (RU) and a digital unit (DU) which are combined in the related art to thereby enable the RU and DU to be interlocked via an optical cable, installs each RU in a service area connected with terminals with respect to a plurality of base stations, and installs the integrated DUs in a single large system to thereby operate the DUs as an integrated base station, and therefore it is possible to effectively use DU resources, which are distributed and operated, through integrated management. | 06-13-2013 |
20130163500 | MULTIMEDIA MULTICAST/BROADCAST SERVICE PROVIDING APPARATUS AND MULTIMEDIA MULTICAST/BROADCAST SERVICE PROVIDING METHOD USING THE SAME - An MBMS providing apparatus and an MBMS providing method using the same in a cloud radio access network are provided. The MBMS providing apparatus includes a third layer into which a plurality of network layers providing an MBMS are integrated in the plurality of DUs, and a second layer into which a plurality of datalink layers providing the MBMS are integrated in the DUs. Therefore, the present invention integrates the layers that provide the MBMS in the plurality of DUs, and provide the MBMS by MBSFN synchronization area through the integrated layers. Accordingly, by performing the MBMS by MBSFN synchronization area through respective integrated layers, the present invention can prevent the occurrence of an unnecessary load, thus enhancing the performance of a communication network. | 06-27-2013 |
20130258933 | SYNCHRONIZATION METHOD AND APPARATUS FOR BROADCAST MULTICAST SERVICE - There is provided a method for synchronization between one or more base stations to provide broadcast multicast service, including: receiving a session start request message, and extracting a service start setting time set to start broadcast service from the session start request message; comparing the service start setting time to a modification check time being a check time which is later than and closest to the service start setting time, among check times at which it is determined whether or not broadcast service has changed, the check times having a predetermined time interval; deciding, when the modification check time is later than the service start setting time by a predetermined internal slack time period or more, the modification check time as a service start time at which broadcast service starts; and transmitting information indicating the service start time to the base stations. | 10-03-2013 |
20140160965 | PROXIMITY MEASUREMENT METHOD AND APPARATUS FOR DEVICE TO DEVICE COMMUNICATION IN MOBILE COMMUNICATION SYSTEM - Disclosed is a proximity measurement method and apparatus for device-to-device (D2D) communication in a mobile communication system. The proximity measurement method may include determining whether a cell identification (ID) is included in a packet received from a gateway, verifying whether the cell ID matches a pre-stored cell ID when the cell ID is included, extracting, from the packet, Internet Protocol addresses of mobile terminals transmitting and receiving the packet when the cell ID matches the pre-stored cell ID, searching for IP addresses matched to the extracted IP addresses based on a proximity list including IP addresses of mobile terminals performing D2D communication, and registering, when the extracted IP addresses are absent in the proximity list, the extracted IP addresses in the proximity list and measuring proximity between the mobile terminals. | 06-12-2014 |
20140161106 | METHOD AND APPARATUS FOR RESOURCE ALLOCATION BASED ON BUFFER STATUS INFORMATION OF NEIGHBORING CELL - Disclosed is a method and apparatus for resource allocation based on a buffer status in a neighboring cell. A method of allocating a resource between base stations may include receiving, by a first base station, information associated with a buffer status of a second base station, comparing information associated with a buffer status of the first base station to the information associated with the buffer status of the second base station, and relatively allocating a resource based on a result of the comparison. | 06-12-2014 |
20140162637 | METHOD AND APPARATUS FOR SELECTIVE DISCOVERY USING CUSTOMER CATEGORY IN DEVICE TO DEVICE COMMUNICATION SERVICE - A method and an apparatus for selective discovery using a customer category in a device-to-device (D2D) communication service is disclosed. A method of selectively discovering service providing devices that provide services via D2D communication using a mobile communication network includes receiving, by a server for managing information about the service providing devices, information about a user equipment from the user equipment, verifying whether the user equipment corresponds to a preset customer category using the received information about the user equipment based on a service customer category table including information about a customer category that is the information about the user equipment provided with the services of the service providing devices, and selectively transmitting information about the services provided by the service providing devices to the user equipment based on a verification result. | 06-12-2014 |
20140162643 | METHOD AND APPARATUS FOR DEVICE TO DEVICE MULTICAST COMMUNICATION IN CELLULAR MOBILE SYSTEMS - Disclosed is a method and an apparatus for device-to-device (D2D) multicast communication in a cellular mobile communication system. The method for D2D communication may include transmitting a server designation request message requesting registration as a server terminal to a base station, and transmitting service information using a D2D multicast or broadcast communication scheme based on a radio resource allocated by the base station. | 06-12-2014 |
20140162668 | METHOD AND APPARATUS FOR SCHEDULING IN CELLULAR BASED DEVICE TO DEVICE COMMUNICATION - Disclosed is a method and apparatus for scheduling in a cellular-based device-to-device (D2D) communication. The method of scheduling a cellular resource used in a base station for a D2D communication between terminals may include grouping, by a proximity coordinator, a cellular resource of an adjacent base station based on cell information of a base station, managing a resource to be allocated to the terminal and a resource allocated previously to the terminal based on the grouped resource, and allocating the grouped resource to the terminal based on information associated with the resource to be allocated and the previously allocated resource when a request for D2D communication between terminals located in different cells is received. | 06-12-2014 |
20140295859 | METHOD OF SELECTING A PLURALITY OF CELLS AND METHOD OF DISTRIBUTED-TRANSMITTING DATA FOR ENHANCING TRANSMISSION RATE OF MOBILE DATA IN WIRELESS OVERPLAY NETWORK - A method of selecting a plurality of cells and a method of distributed-transmitting data to enhance mobile data transmission rate in a wireless overlay network are disclosed. A cell selection method which selects a cell for distributed-transmission of data in a wireless overlay network of a plurality of cells may include receiving, by a base station, a request for distributed data transmission from a mobile terminal, and selecting a plurality of wireless communication devices for distributed-transmission of data to the mobile terminal among adjacent wireless communication devices to the mobile terminal based on received signal strength (RSS) information on the mobile terminal with respect to the adjacent wireless communication devices, available resource information on the adjacent wireless communication devices and a service profile of the mobile terminal. | 10-02-2014 |